Home / 1,542,075.28-2,128,222.92-888,724.24

Finding the Fourth Proportional to 1,542,075.28, 2,128,222.92 and 888,724.24

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Solution

The fourth proportional to 1,542,075.28, 2,128,222.92 and 888,724.24 is: 1,226,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,075.28 : 2,128,222.92 = 888,724.24 : x
  2. Step 2: Convert to fraction form
    1,542,075.28/2,128,222.92 = 888,724.24/x
  3. Step 3: Cross multiply
    1,542,075.28x = 2,128,222.92 × 888,724.24
  4. Step 4: Simplify right side
    1,542,075.28x = 1,891,403,297,127.58
  5. Step 5: Solve for x
    x = 1,891,403,297,127.58/1,542,075.28
  6. Step 6: Final answer
    x = 1,226,531.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.